<?php
error_reporting(0);
header('Content-Type: text/html; charset=utf-8'); 
session_start();
$adminusername=$_SESSION["adminusername"]; 
if($adminusername==NULL)
{
	echo "错误：登录超时，请<a href=login.php target=_parent>重新登录</a>！";
	exit;
}
?>